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https://issues.apache.org/jira/browse/HDFS-16423?focusedWorklogId=711177&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-711177
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ASF GitHub Bot logged work on HDFS-16423:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 19/Jan/22 08:59
Start Date: 19/Jan/22 08:59
Worklog Time Spent: 10m
Work Description: tasanuma merged pull request #3883:
URL: https://github.com/apache/hadoop/pull/3883
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Issue Time Tracking
-------------------
Worklog Id: (was: 711177)
Time Spent: 3h (was: 2h 50m)
> balancer should not get blocks on stale storages
> ------------------------------------------------
>
> Key: HDFS-16423
> URL: https://issues.apache.org/jira/browse/HDFS-16423
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover
> Reporter: qinyuren
> Assignee: qinyuren
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2022-01-13-17-18-32-409.png
>
> Time Spent: 3h
> Remaining Estimate: 0h
>
> We have met a problems as described in HDFS-16420
> We found that balancer copied a block multi times without deleting the source
> block if this block was placed in a stale storage. And resulting a block with
> many copies, but these redundant copies are not deleted until the storage
> become not stale.
>
> !image-2022-01-13-17-18-32-409.png|width=657,height=275!
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